ANSWERS|LATEST UPDATE|ALREADY GRADED A+
1. The lavender-topped tube contains:
a. No additive
b. SPS
c. Na+ citrate
d. EDTA ✔Correct Answer-d. EDTA
1. The additive in a gray-topped tube is:
a. K+ oxalate
b. Na+ citrate
c. EDTA
d. None of the above ✔Correct Answer-a. K+ oxalate
1. Which of the needle has the largest gauge?
a. 16 g
b. 20 g
c. 21 g
d. 25 g ✔Correct Answer-a. 16 g
1. Which of the following gauge needle is used for the typical adult venipuncture?
a. 23 g
b. 16 g
c. 21 g
d. 25 g ✔Correct Answer-c. 21 g
1. The venipuncture equipment that consists of a needle attached to a plastic tubing is known as:
a. Syringe
b. Evacuated tube
c. Winged infusion set
d. Micro-collection container ✔Correct Answer-c. Winged infusion set
1. All of the following are true about winged infusion sets EXCEPT:
a. Commonly referred to as a butterfly
b. Comes in needles sizes of 16g and 18g
c. Used on fragile veins
d. Preferred over a syringe ✔Correct Answer-b. Comes in needles sizes of 16g and 18g
1. You are about to draw a FBG on a patient and the patient states that he took his medications with
some orange juice this morning. What would you do next?
a. Draw the patient's blood
b. Explain to the patient that you cannot draw his blood without speaking to his physician first
c. Tell the patient to call his physician immediately
Ask the patient to leave and come back tomorrow ✔Correct Answer-b. Explain to the patient that
you cannot draw his blood without speaking to his physician first
1. Which of the following actions is incorrect when performing a dermal puncture?
a. Using a 2.0 mm lancet on a child
, b. Puncturing the plantar surface of the heel
c. Allowing the alcohol to dry onsite prior to puncture
d. Collecting the first drop of blood ✔Correct Answer-d. Collecting the first drop of blood
1. The function of veins is to:
a. Carry oxygen-rich blood to the heart
b. Facilitate the exchange of oxygen-rich blood and deoxygenated blood
c. Carry deoxygenated blood away from the heart
d. Carry deoxygenated blood to the heart ✔Correct Answer-d. Carry deoxygenated blood to the
heart
1. The function of arteries is to:
a. Facilitate the exchange of oxygen-rich blood and deoxygenated blood
b. Carry oxygen-rich blood away from the heart
c. Carry deoxygenated blood to the heart
d. Pump blood to all parts of the body ✔Correct Answer-b. Carry oxygen-rich blood away from the
heart
1. The average heart rate is:
a. 72 bpm
b. 62 bpm
c. 82 bpm
d. 92 bpm ✔Correct Answer-a. 72 bpm
1. Which of the following actions should the PCT take if the baseline of the ECG is off center?
a. Adjust the standardization button
b. Adjust the sensitivity
c. Adjust the stylus (although ECG machines no longer have styluses)
d. Adjust the paper feeder ✔Correct Answer-c. Adjust the stylus (although ECG machines no longer
have styluses)
1. Which of the following is the inner layer of the heart?
a. Pericardium
b. Endocardium
c. Epicardium
d. Myocardium ✔Correct Answer-b. Endocardium
1. What is the universal standard for recording an ECG?
a. 20 mm/sec
b. 25 mm/sec
c. 30 mm/sec
d. 35 mm/sec ✔Correct Answer-b. 25 mm/sec
1. Which of the following structures separates the right atrium from the right ventricle?
a. Aortic valve
b. Mitral valve
c. Bicuspid valve
d. Tricuspid valve ✔Correct Answer-d. Tricuspid valve
1. The approximate time for one cardiac cycle is
a. 1.0 sec